知识分享应用-后端代码从0构建

知识分享应用—后端

初始化项目

创建 Spring Boot 项目

pom

    4.0.0
    
        org.springframework.boot
        spring-boot-starter-parent
        3.0.2
         
    
    cn.swback
    share-api
    0.0.1-SNAPSHOT
    pom
    share-api
    share-api
    
        share-user
    
    
        17
    
    
        
            org.springframework.boot
            spring-boot-starter-web
        

        
            org.springframework.boot
            spring-boot-starter-test
            test
        



        
            org.springframework.boot
            spring-boot-devtools
            runtime
            true
        

    

    
        
            
                org.springframework.boot
                spring-boot-maven-plugin
            
        
    

注意：把项目修改为自动编译，配合 spring-boot-devtools 可以让热部署生效

在启动主类中，编写一个测试接口

测试，成功

提交：初始化项目

新增 share-user 模块

新建 share-user 模块

修改 share-user 模块的 pom.xml，添加之前父项目的依赖，并加入 lombok，加入 build 节点

<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0modelVersion>
    <parent>
        <groupId>cn.swbackgroupId>
        <artifactId>share-apiartifactId>
        <version>0.0.1-SNAPSHOTversion>
    parent>

    <artifactId>share-userartifactId>

    <properties>
        <maven.compiler.source>17maven.compiler.source>
        <maven.compiler.target>17maven.compiler.target>
        <project.build.sourceEncoding>UTF-8project.build.sourceEncoding>
    properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starter-webartifactId>
        dependency>

        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starter-testartifactId>
            <scope>testscope>
        dependency>

        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-devtoolsartifactId>
            <scope>runtimescope>
            <optional>trueoptional>
        dependency>

        <dependency>
            <groupId>org.projectlombokgroupId>
            <artifactId>lombokartifactId>
        dependency>
    dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.bootgroupId>
                <artifactId>spring-boot-maven-pluginartifactId>
            plugin>
        plugins>
    build>

project>

修改父项目的 pom.xml，移除所有的依赖，移除 build，只保留依赖的版本管理

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0modelVersion>
    <parent>
        <groupId>org.springframework.bootgroupId>
        <artifactId>spring-boot-starter-parentartifactId>
        <version>3.0.2version>
        <relativePath/> 
    parent>

    <groupId>cn.swbackgroupId>
    <artifactId>share-apiartifactId>
    <version>0.0.1-SNAPSHOTversion>
    <packaging>pompackaging>
    <name>share-apiname>
    <description>share-apidescription>


    <modules>
        <module>share-usermodule>
    modules>

    <properties>
        <java.version>17java.version>
        <spring-cloud.version>2022.0.0spring-cloud.version>
        <spring-cloud-alibaba.version>2022.0.0.0spring-cloud-alibaba.version>
    properties>

    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.cloudgroupId>
                <artifactId>spring-cloud-dependenciesartifactId>
                <version>${spring-cloud.version}version>
                <type>pomtype>
                <scope>importscope>
            dependency>

            <dependency>
                <groupId>com.alibaba.cloudgroupId>
                <artifactId>spring-cloud-alibaba-dependenciesartifactId>
                <version>${spring-cloud-alibaba.version}version>
                <type>pomtype>
                <scope>importscope>
            dependency>

            <dependency>
                <groupId>com.alibabagroupId>
                <artifactId>fastjsonartifactId>
                <version>1.2.78version>
            dependency>

            <dependency>
                <groupId>cn.hutoolgroupId>
                <artifactId>hutool-allartifactId>
                <version>5.7.16version>
            dependency>

            <dependency>
                <groupId>org.projectlombokgroupId>
                <artifactId>lombokartifactId>
                <version>1.18.28version>
            dependency>

        dependencies>
    dependencyManagement>


project>

删除父项目的 src

application.yml

src 如图新建包，注意将启动主类放入 config 包

启动，测试

提交：新增 share-user 模块

修改启动日志，增加 /user-service 上下文，配置 logback 日志

修改 UserApplication 启动类，增加启动日志

修改 application.yml，增加 /user-service 上下文

重启，观察启动日志

resources 新增 logback-spring.xml 日志配置文件

<configuration>
    
    <property name="PATH" value="./log/user"/>

    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
        <encoder>
            <Pattern>%d{mm:ss.SSS} %highlight(%-5level) %blue(%-30logger{30}:%-4line) %thread %green(%-18X{LOG_ID}) %msg%n
            Pattern>
        encoder>
    appender>

    <appender name=